7th Grade NCFE Exam Review

Front

What type of energy is transferred from the stove to the water when boiling?

Back

Thermal energy is transferred from the stove to the water as it heats up.

Front

How do you calculate speed?

Back

Speed is calculated by dividing distance by time.

Front

What is potential energy?

Back

Potential energy is the stored energy in an object due to its position or state, such as a stretched rubber band.

Front

Which layer of the atmosphere burns up meteoroids?

Back

The Mesosphere is responsible for burning up meteoroids before they reach the Earth's surface.

Front

What is the difference between speed and velocity?

Back

Speed is the distance traveled per unit of time, while velocity includes direction.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion.

Front

What is the formula for calculating acceleration?

Back

Acceleration is calculated by the change in velocity divided by the time taken.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential and kinetic energy in an object.

Front

What is the role of the troposphere?

Back

The troposphere is the lowest layer of the atmosphere where weather occurs.

Front

What is the definition of work in physics?

Back

Work is done when a force causes an object to move in the direction of the force.